The latest Teen Mom news…

‘Teen Mom OG’ stars Catelynn, Amber and Maci all had a book signing in New York City Friday evening before a day of filming for MTV on Saturday. After their signing the girls went out on the town for a night of fun and allegedly got a little drunky face.

According to one on-set production source that spoke with The Ashley’s Reality Roundup, the girls were very hungover when they showed up to film Saturday morning!